Home / 18,663.03-25,753.80-10,279.53

Finding the Fourth Proportional to 18,663.03, 25,753.80 and 10,279.53

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Solution

The fourth proportional to 18,663.03, 25,753.80 and 10,279.53 is: 14,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.03 : 25,753.80 = 10,279.53 : x
  2. Step 2: Convert to fraction form
    18,663.03/25,753.80 = 10,279.53/x
  3. Step 3: Cross multiply
    18,663.03x = 25,753.80 × 10,279.53
  4. Step 4: Simplify right side
    18,663.03x = 264,736,959.71
  5. Step 5: Solve for x
    x = 264,736,959.71/18,663.03
  6. Step 6: Final answer
    x = 14,185.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.